Social networks of lexical innovation

Packages

Case studies

Load data

per lemma

Comparative analyses

Filtering

• specific lemmas
  • cowork
  • snowflake
• data after 2018-12-31
• frequency threshhold
• edges threshhold

Check tweets

tweets %>%
  select(tweet, date) %>%
  # slice(., sample(1:n())) #random selection
  arrange(date)

Usage intensity

uses <- get_uses(tweets)
uses_tot <- get_uses_tot(uses)
age = get_age(uses)
coef_var <- get_coef_var(uses)
mean_date <- get_mean_date(uses)
max_date <- get_max_date(uses)
uses_month <- conv_uses_month(uses)
uses_plt <- plt_uses(uses_month, lemma, mean_date, max_date)
ggplotly(uses_plt)

`geom_smooth()` using method = 'loess' and formula 'y ~ x'

Degree centralization

Diachronic

plt <- df_comp %>%
  filter(
    SUBSET != 'full',
    # LEMMA == 'solopreneur'
    LEMMA %in% c(
      'political correctness'
      )
    ) %>%
  select(LEMMA, SUBSET, CENT_DEGREE) %>%
  mutate(SUBSET = factor(SUBSET, levels=c('first', 'mean', 'max', 'last'))) %>%
  ggplot(., aes(x=SUBSET, y=CENT_DEGREE)) + # group=1
    geom_point(aes(group=LEMMA, color=LEMMA, shape=LEMMA)) +
    geom_line(aes(group=LEMMA, color=LEMMA, linetype=LEMMA)) +
    guides(group=FALSE) +
    ggtitle('Diffusion over time: changes in degree centralization') +
    scale_y_continuous('degree centrality (log)', trans='log') +
    scale_x_discrete('subset')

plt

# ggsave('out/cent_deg_diac_Anglo-Saxon.pdf', width=6, height=4)

Comparative analyses

Degree centrality

Overall

List

Plot

plt <- df_comp %>%
  select(LEMMA, SUBSET, USES, CENT_DEGREE) %>%
  filter(SUBSET == 'full') %>%
  arrange((CENT_DEGREE)) %>%
  ggplot(., aes(x=CENT_DEGREE, y=reorder(LEMMA, CENT_DEGREE))) +
    geom_point() +
    scale_y_discrete('lemmas') +
    scale_x_continuous(
      'degree centralization (log)',
      trans='log'
      )

plt

ggsave('out/cent_sync_all.pdf', width=6, height=4)

Over time

Across all lemmas

df_comp %>%
  filter(
    SUBSET %in% (c(
      'first', 
      'last'
      # 'mean',
      # 'max'
      )),
    EDGES >= 700
    ) %>%
  group_by(SUBSET) %>%
  summarize(CENT_AVG = mean(CENT_DEGREE)) %>%
  mutate(SUBSET = factor(SUBSET, levels=c(
    'first', 
    'last'
    # 'mean',
    # 'max'
    ))) %>%
  ggplot(., aes(x=SUBSET, y=CENT_AVG, group=1)) +
    geom_col()

Biggest changes

df_comp %>%
  select(LEMMA, SUBSET, CENT_DEGREE, EDGES) %>%
  filter(
    SUBSET %in% c('first', 'last'),
    EDGES >= 100
    ) %>%
  dplyr::group_by(LEMMA) %>%
  dplyr::mutate(CENT_DIFF = lag(CENT_DEGREE) - CENT_DEGREE) %>%
  drop_na() %>%
  select(-SUBSET) %>%
  rename(
    CENT_LAST = CENT_DEGREE,
    EDGES_LAST = EDGES
    ) %>%
  arrange(desc(CENT_DIFF))

Usage intensity

Usage intensity vs. network characteristics

Uses vs. degree centralization

Plot

df_comp %>%
  filter(
    SUBSET == 'full',
    # USES %in% (10000:2000000),
    USES %in% (150000:500000),
    !LEMMA %in% c('slut shaming', 'dashcam', 'shareable', 'cuckold', 'deep learning', 'hyperlocal')
    ) %>%
  select(LEMMA, CENT_DEGREE, USES, EDGES) %>%
  ggplot(., aes(x=CENT_DEGREE, y=USES)) +
    geom_text(aes(label=LEMMA), hjust=-0.1, vjust=-0.1) + 
    geom_point() +
    scale_y_continuous(
      'usage frequency (log)', 
      trans='log'
      ) +
    scale_x_continuous(
      'degree centralization',
      # trans='log'
      ) +
    ggtitle(
      # 'Usage frequency vs. degree centralization: full sample'
      'Usage frequency vs. degree centralization: zooming on case study lexemes'
      )
    # geom_smooth(method=lm)

ggsave('~/Desktop/freq-vs-net.pdf', width=6, height=4)

NA

Correlation

df_corr_full <- df_comp %>%
  filter(
    SUBSET != 'full',
    EDGES >= 100
    ) %>%
  select(-c(LEMMA, SUBSET, NET_WINDOW_DATES, SKIP, STAMP, NROWS))
  
cor.test(df_corr_full$USES, df_corr_full$CENT_DEGREE)

Degree centrality vs. communities

Correlation

df_comp %>%
  filter(SUBSET == 'last') %>%
  select(CENT_DEGREE, COMMUNITIES) %>%
  mutate(COMMUNITIES = as.numeric(COMMUNITIES)) %>%
  correlate()

Plot

df_comp %>%
  filter(SUBSET == 'last') %>%
  select(LEMMA, CENT_DEGREE, COMMUNITIES) %>%
  ggplot(., aes(x=CENT_DEGREE, y=as.numeric(COMMUNITIES))) +
    geom_text(aes(label=LEMMA)) +
    scale_x_continuous(trans='log')

Uses vs. users

Plot

plt <- df_comp %>%
  filter(SUBSET == 'full') %>%
  select(LEMMA, USES, USERS) %>%
  ggplot(., aes(x=USERS, y=USES)) +
    geom_text(aes(label=LEMMA)) +
    scale_x_continuous(trans='log') +
    scale_y_continuous(trans='log') +
    geom_smooth(method=lm)
ggplotly(plt)

Correlation

df_comp %>%
  filter(SUBSET == 'full') %>%
  select(USES, USERS) %>%
  correlate()

Coefficient of variation

df_comp %>%
  filter(
    SUBSET == 'full',
    USES >= 1000
    ) %>%
  select(LEMMA, USES, COEF_VAR) %>%
  arrange(desc(COEF_VAR))

Processing status

Lemma list

Dataset statistics

COEF_VAR vs. CENT

df_comp %>%
  filter(SUBSET == 'full') %>%
  select(LEMMA, COEF_VAR, CENT_DEGREE) %>%
  ggplot(., aes(y=COEF_VAR, x=CENT_DEGREE)) +
    geom_text(aes(label=LEMMA)) +
    scale_y_continuous(trans='log')

Correlations: EDA

library(Hmisc)

df_corr <- df_comp %>%
  # filter(SUBSET == 'last') %>%
  select(-c(LEMMA, SUBSET, NET_WINDOW_DATES, SKIP, STAMP, NROWS))
  # select(-c(USERS, AGE)) %>%
  # mutate(FOCUS = USES) %>%
  # focus(FOCUS) %>%
  # ggplot(., aes(reorder(rowname, FOCUS), FOCUS)) +
    # geom_col() +
    # coord_flip()
  # rearrange() %>%
  # shave() %>%
  # rplot()
  # network_plot(min_cor=.5) %>%